Every date and time in a response is in UTC too.

Formats

Type Format Example
Date and time YYYY-MM-DD HH:mm:ss 2026-11-09 18:39:46
Date YYYY-MM-DD 2026-11-09

Converting to and from UTC

Convert local times to UTC before you send them. For example, a meeting at 14:00 in a time zone that is UTC+2 is sent as 12:00:00.

Convert the other way before showing a date or time to people.